contrib/src/stc/scintilla/include/WindowAccessor.h

   1 // Scintilla source code edit control
   2 /** @file WindowAccessor.h
   3  ** Implementation of BufferAccess and StylingAccess on a Scintilla
   4  ** rapid easy access to contents of a Scintilla.
   5  **/
   6 // Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
   7 // The License.txt file describes the conditions under which this software may be distributed.
   8
   9 /**
  10  */
  11 class WindowAccessor : public Accessor {
  12         // Private so WindowAccessor objects can not be copied
  13         WindowAccessor(const WindowAccessor &source) : Accessor(), props(source.props) {}
  14         WindowAccessor &operator=(const WindowAccessor &) { return *this; }
  15 protected:
  16         WindowID id;
  17         PropSet &props;
  18         int lenDoc;
  19
  20         char styleBuf[bufferSize];
  21         int validLen;
  22         char chFlags;
  23         char chWhile;
  24         unsigned int startSeg;
  25
  26         bool InternalIsLeadByte(char ch);
  27         void Fill(int position);
  28 public:
  29         WindowAccessor(WindowID id_, PropSet &props_) :
  30                 Accessor(), id(id_), props(props_),
  31                 lenDoc(-1), validLen(0), chFlags(0), chWhile(0) {
  32         }
  33         ~WindowAccessor();
  34         bool Match(int pos, const char *s);
  35         char StyleAt(int position);
  36         int GetLine(int position);
  37         int LineStart(int line);
  38         int LevelAt(int line);
  39         int Length();
  40         void Flush();
  41         int GetLineState(int line);
  42         int SetLineState(int line, int state);
  43         int GetPropertyInt(const char *key, int defaultValue=0) {
  44                 return props.GetInt(key, defaultValue);
  45         }
  46         char *GetProperties() {
  47                 return props.ToString();
  48         }
  49
  50         void StartAt(unsigned int start, char chMask=31);
  51         void SetFlags(char chFlags_, char chWhile_) {chFlags = chFlags_; chWhile = chWhile_; };
  52         unsigned int GetStartSegment() { return startSeg; }
  53         void StartSegment(unsigned int pos);
  54         void ColourTo(unsigned int pos, int chAttr);
  55         void SetLevel(int line, int level);
  56         int IndentAmount(int line, int *flags, PFNIsCommentLeader pfnIsCommentLeader = 0);
  57 };